St Johns Heating & Air Conditioning | Top-Rated HVAC Services in Saint Augustine, FL

We provide a full range of HVAC services, including installation or replacement of systems like air conditioners, heat pumps, and furnaces, as well as repairs and routine maintenance. As a family-owned company since 1956, we also handle custom sheet metal fabrication for ductwork and other components, and we offer home service plans to help maintain efficiency and prevent issues.

In Saint Augustine's humid climate, high humidity can strain HVAC systems, reducing efficiency and comfort. We offer maintenance and repair services to optimize dehumidification, check for proper airflow, and ensure your system is sized correctly. For air handler fan failures, we provide prompt repairs or replacements, often using our in-house metal fabrication to fix or custom-fit parts, and we're available for emergencies to restore your comfort quickly.

Yes, we are licensed to offer emergency HVAC services for both residential and commercial clients in Saint Augustine. As a local family-owned business, we understand the urgency of HVAC failures, especially in Florida's heat, and provide reliable, timely repairs to get your system back up and running, with support for issues like breakdowns or sudden inefficiencies.